"When we launched CrackBerry.com 10 years ago, we set out to make it a fun and useful destination where BlackBerry Smartphone owners could share their excitement and learn to unleash the full potential of their BlackBerry. A decade later, the CrackBerry community is as active and passionate as ever and I know our knowledgeable members and volunteers will be excited to welcome and assist more BlackBerry owners with their questions."
Try contacting PayPal to let them know the error you are receiving. It sounds like a restriction put in place that they can remove. Also double check that the credit card details they have is correct and not expired.